§ 39.63. Modification or waiver of provisions.
The provisions of § 39.61—39.70 (relating to methods of protective grounding) may be modified or waived by the proper administrative authority or its authorized agents in the following instances:
(1) If application of provisions involve expense not justified by the protection secured, or for any other reason where application of provisions is shown to be impracticable.
(2) If equivalent or safer construction may be more readily provided by other means.
(3) In certain instances where temporary installations or installations are shortly to be dismantled or reconstructed.
(4) In cases of emergency or pending decision of the administrator the person responsible for the installation may decide as to modification or waiver of any rule, subject to review by proper authority.
(5) If other methods of construction and installation than those specified in this chapter are used as experiments to obtain information, if done where the supervision may be given by the proper administrative authority.
Cross References This section cited in 34 Pa Code § 39.61 (relating to applicability); 34 Pa. Code § 39.62 (relating to scope); 34 Pa. Code § 39.103 (relating to protective grounding); 34 Pa. Code § 39.183 (relating to ground wires); 34 Pa. Code § 39.197 (relating to grounding); 34 Pa. Code § 39.219 (relating to grounding or isolating service conduits); 34 Pa. Code § 39.292 (relating to grounding noncurrent-carrying parts); and 34 Pa Code § 39.304 (relating to grounding of arresters for signaling systems).
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